1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
package org.apache.fop.afp.svg;
import java.awt.Color;
import java.awt.Graphics2D;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.fop.afp.AFPGraphics2D;
import org.apache.fop.afp.AFPPaintingState;
import org.apache.fop.afp.AFPResourceManager;
import org.apache.fop.afp.fonts.AFPFont;
import org.apache.fop.afp.fonts.AFPFontAttributes;
import org.apache.fop.afp.fonts.AFPPageFonts;
import org.apache.fop.afp.fonts.CharacterSet;
import org.apache.fop.afp.modca.GraphicsObject;
import org.apache.fop.fonts.Font;
import org.apache.fop.fonts.FontInfo;
import org.apache.fop.svg.FOPTextHandlerAdapter;
/**
* Specialized TextHandler implementation that the AFPGraphics2D class delegates to to paint text
* using AFP GOCA text operations.
*/
public class AFPTextHandler extends FOPTextHandlerAdapter {
/** logging instance */
private static Log log = LogFactory.getLog(AFPTextHandler.class);
/** Overriding FontState */
protected Font overrideFont = null;
/** Font information */
private final FontInfo fontInfo;
/** the resource manager */
private AFPResourceManager resourceManager;
/**
* Main constructor.
*
* @param fontInfo the AFPGraphics2D instance
* @param resourceManager the AFPResourceManager instance
*/
public AFPTextHandler(FontInfo fontInfo, AFPResourceManager resourceManager) {
this.fontInfo = fontInfo;
this.resourceManager = resourceManager;
}
/**
* Return the font information associated with this object
*
* @return the FontInfo object
*/
public FontInfo getFontInfo() {
return fontInfo;
}
/**
* Registers a page font
*
* @param internalFontName the internal font name
* @param fontSize the font size
* @return a font reference
*/
private int registerPageFont(AFPPageFonts pageFonts, String internalFontName, int fontSize) {
AFPFont afpFont = (AFPFont)fontInfo.getFonts().get(internalFontName);
// register if necessary
AFPFontAttributes afpFontAttributes = pageFonts.registerFont(
internalFontName,
afpFont,
fontSize
);
if (afpFont.isEmbeddable()) {
try {
final CharacterSet charSet = afpFont.getCharacterSet(fontSize);
this.resourceManager.embedFont(afpFont, charSet);
} catch (IOException ioe) {
throw new RuntimeException("Error while embedding font resources", ioe);
}
}
return afpFontAttributes.getFontReference();
}
/**
* Add a text string to the current data object of the AFP datastream.
* The text is painted using text operations.
*
* {@inheritDoc}
*/
@Override
public void drawString(Graphics2D g, String str, float x, float y) {
if (log.isDebugEnabled()) {
log.debug("drawString() str=" + str + ", x=" + x + ", y=" + y);
}
if (g instanceof AFPGraphics2D) {
AFPGraphics2D g2d = (AFPGraphics2D)g;
GraphicsObject graphicsObj = g2d.getGraphicsObject();
Color color = g2d.getColor();
// set the color
AFPPaintingState paintingState = g2d.getPaintingState();
paintingState.setColor(color);
graphicsObj.setColor(color);
// set the character set
int fontReference = 0;
int fontSize;
String internalFontName;
AFPPageFonts pageFonts = paintingState.getPageFonts();
if (overrideFont != null) {
internalFontName = overrideFont.getFontName();
fontSize = overrideFont.getFontSize();
if (log.isDebugEnabled()) {
log.debug(" with overriding font: " + internalFontName + ", " + fontSize);
}
fontSize = (int) Math.round(g2d.convertToAbsoluteLength(fontSize));
fontReference = registerPageFont(pageFonts, internalFontName, fontSize);
// TODO: re-think above registerPageFont code...
AFPFont afpFont = (AFPFont) fontInfo.getFonts().get(internalFontName);
final CharacterSet charSet = afpFont.getCharacterSet(fontSize);
// Work-around for InfoPrint's AFP which loses character set state
// over Graphics Data
// boundaries.
graphicsObj.setCharacterSet(fontReference);
// add the character string
graphicsObj.addString(str, Math.round(x), Math.round(y), charSet);
}
} else {
//Inside Batik's SVG filter operations, you won't get an AFPGraphics2D
g.drawString(str, x, y);
}
}
/**
* Sets the overriding font.
*
* @param overrideFont Overriding Font to set
*/
public void setOverrideFont(Font overrideFont) {
this.overrideFont = overrideFont;
}
}
|
